#2F609D
Closest named color: Denim Blue (#3B5B92). oklch(48.6% 0.112 255.2), rgb(47, 96, 157).
Aa
White text reads best on this color (6.40:1).
About this color
#2F609D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.112 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.022 away. White text reads best on it, at 6.40:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.28:1 |
| White text | 6.40:1 |
Values
| HEX | #2F609D |
| RGB | rgb(47, 96, 157) |
| HSL | hsl(213, 54%, 40%) |
| OKLCH | oklch(48.6% 0.112 255.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2F609D | 6.40:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #2F609D | 3.28:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #2F609D text on white | 6.40:1 | AA | Lc 81.5 | Fine for body text |
| #2F609D text on black | 3.28:1 | AA large text | Lc -20.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#AAC3E4
oklch(81% 0.054 255.4)
-
Step 400
400
#7CA3D6
oklch(70.7% 0.087 255.4)
-
Step 500
500
#5A8CCB
oklch(63.2% 0.11 254.8)
-
Step 600
600
#3F75B8
oklch(55.7% 0.12 254.9)
-
Step 700
700 (this color)
#2F609D
oklch(48.6% 0.112 255.2)
-
Step 800
800
#295081
oklch(42.8% 0.093 255.2)
-
Step 900
900
#264367
oklch(37.8% 0.071 254.7)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#2F609D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #44649F | 0.026 |
| Deuteranopia (no green cones) | #345A9C | 0.017 |
| Tritanopia (no blue cones) | #006E77 | 0.087 |
| Achromatopsia (no color) | #5F5F5F | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F609D
#2F609D
oklch(48.6% 0.112 255.2)
- #805500
#805500
oklch(48.5% 0.102 75.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2F609D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.022
- Dusky Blue #475F94 ΔE 0.028
- Denim #3B638C ΔE 0.033
- Peacock Blue #016795 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.036
- Mid Blue #276AB3 ΔE 0.041
- Dusk Blue #26538D ΔE 0.045
- French Blue #436BAD ΔE 0.045
Use #2F609D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.